Home / 30,653.41-42,276.30-25,884.40

Finding the Fourth Proportional to 30,653.41, 42,276.30 and 25,884.40

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Solution

The fourth proportional to 30,653.41, 42,276.30 and 25,884.40 is: 35,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.41 : 42,276.30 = 25,884.40 : x
  2. Step 2: Convert to fraction form
    30,653.41/42,276.30 = 25,884.40/x
  3. Step 3: Cross multiply
    30,653.41x = 42,276.30 × 25,884.40
  4. Step 4: Simplify right side
    30,653.41x = 1,094,296,659.72
  5. Step 5: Solve for x
    x = 1,094,296,659.72/30,653.41
  6. Step 6: Final answer
    x = 35,699.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.